1 /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
2  * Use of this source code is governed by a BSD-style license that can be
3  * found in the LICENSE file.
4  */
5 
6 #ifndef VBOOT_REFERENCE_CGPTLIB_H_
7 #define VBOOT_REFERENCE_CGPTLIB_H_
8 
9 #include "sysincludes.h"
10 #include "gpt_misc.h"
11 
12 /**
13  * Provides the location of the next kernel partition, in order of decreasing
14  * priority.
15  *
16  * On return the start_sector parameter contains the LBA sector for the start
17  * of the kernel partition, and the size parameter contains the size of the
18  * kernel partition in LBA sectors.  gpt.current_kernel contains the partition
19  * index of the current chromeos kernel partition.
20  *
21  * Returns GPT_SUCCESS if successful, else
22  *   GPT_ERROR_NO_VALID_KERNEL, no avaliable kernel, enters recovery mode */
23 int GptNextKernelEntry(GptData *gpt, uint64_t *start_sector, uint64_t *size);
24 
25 #endif  /* VBOOT_REFERENCE_CGPTLIB_H_ */
26